Finding the Fourth Proportional to 8,567.27, 12,849.34 and 3,886.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,567.27 : 12,849.34 = 3,886.16 : x
2. Step 2: Convert to fraction form
   8,567.27/12,849.34 = 3,886.16/x
3. Step 3: Cross multiply
   8,567.27x = 12,849.34 × 3,886.16
4. Step 4: Simplify right side
   8,567.27x = 49,934,571.70
5. Step 5: Solve for x
   x = 49,934,571.70/8,567.27
6. Step 6: Final answer
   x = 5,828.53